Okay I fixed it, sorry for not trying this out before:
I used the Java8 package provided by Synology and when I added a source to install MediaInfo I found the Java installer provided by you and that fixed the issue.

Thanks a lot for your help and fast responses!

No, actually I did not install MediaInfo because there is no package available in packagemanager. Where / how can I get it? Besides there is a libmediainfo.so in /volume1/@appstore/filebot/lib/armv7l Where can I get the beta? Is there any possibility to log why JNA fails to initialize? Actually I am ...

Hey there, I installed the Filebot package via Synolgy package manager and get the following error filebot -script 'fn:sysinfo' FileBot 4.8.2 (r5789) JNA Native: java.lang.ExceptionInInitializerError MediaInfo: java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.Platform Apache ...